Here is the full list of all 44 Tokyo Dark achievements.
Mask Bearer ending
Bring Tanaka home ending
Save Reina ending
Cat ending
Warehouse ending
Daizo ending
Butterfly club ending
Run from sewer
Attempt to arrest Reina
Arrest Ending
Use force to get information in arcade
Stay together ending
Leave Tanaka ending
Revenge Ending
Threaten Goto in sewer
Pick lock in police station
Run out of time in sewer
Insanity ending
Use force to get contract signed
Hold a hostage
Take a life
Use force to get information in cat cafe
Use force to get maids to talk
Knock out officer Mori
Suicide ending
Use cherry blossom branch in Kamakura
Shoot Reina in sewer
Draw gun in sewer
Purification ending
Apologize in police station
Don't have the contract signed
Help girls in arcade
Respond professionally to Goto in sewer
Helped maids
Discover what happened to the cat food
Use fire alarm in police station
Switch off police station cameras
Pass on Saki's letter
Shoot bamboo in Kamakura
Keep a clear head
Enjoy a drink